138314731146420442881

Names of 138314731146420442881

• Cardinal: 138314731146420442881 can be written as One hundred thirty-eight quintillion, three hundred fourteen quadrillion, seven hundred thirty-one trillion, one hundred forty-six billion, four hundred twenty million, four hundred forty-two thousand, eight hundred eighty-one.

Scientific notation

• Scientific notation: 1.38314731146420442881 × 10²⁰

Factors of 138314731146420442881

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 36766377

Divisors of 138314731146420442881

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 31 93 5309 15927 164579 493737 10784141 25976893 32352423 77930679 334308371 805283683 1002925113 2415851049 57253004569 137911324937 171759013707 413733974811 1774843141639 4275251073047 5324529424917 12825753219141 280138476853913 840415430561739 8684292782471303 26052878347413909 1487255173617424117 4461765520852272351 46104910382140147627 138314731146420442881
• Sum of all divisors σ(n): 190404544933807856640
• Sum of proper divisors (its aliquot sum) s(n): 52089813787387413759
• 138314731146420442881 is a deficient number, because the sum of its proper divisors (52089813787387413759) is less than itself. Its deficiency is 86224917359033029122

Bases of 138314731146420442881

• Binary: 1110111111110000000101000110010011110100010000011000101011100000001₂
• Hexadecimal: 0x77F80A327A20C5701
• Base-36: T6UM860C0WIRL

Squares and roots of 138314731146420442881

• 138314731146420442881 squared (138314731146420442881²) is 19130964852106569361411706115468183580161
• 138314731146420442881 cubed (138314731146420442881³) is 2646094260090739270942790463319484111753253216162785785283841
• The square root of 138314731146420442881 is 11760728342.5143547901
• The cube root of 138314731146420442881 is 5171574.8207218835

Scales and comparisons

• 138,314,731,146,420,442,881 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,314,731,146,420,442,881 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 138314731146420442881 cubic inches would be around 430964.6 feet tall.

Recreational maths with 138314731146420442881

• 138314731146420442881 backwards is 188244024641137413831
• The number of decimal digits it has is: 21
• The sum of 138314731146420442881's digits is 75
• More coming soon!